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molecular inflammation

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https://www.readbyqxmd.com/read/28635659/divergent-how-ige-axis-contributes-to-the-continuum-of-allergic-asthma-and-anti-ige-therapies
#1
REVIEW
Óscar Palomares, Silvia Sánchez-Ramón, Ignacio Dávila, Luis Prieto, Luis Pérez de Llano, Marta Lleonart, Christian Domingo, Antonio Nieto
Asthma is an airway disease characterised by chronic inflammation with intermittent or permanent symptoms including wheezing, shortness of breath, chest tightness, and cough, which vary in terms of their occurrence, frequency, and intensity. The most common associated feature in the airways of patients with asthma is airway inflammation. In recent decades, efforts have been made to characterise the heterogeneous clinical nature of asthma. The interest in improving the definitions of asthma phenotypes and endotypes is growing, although these classifications do not always correlate with prognosis nor are always appropriate therapeutic approaches...
June 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28635648/deoxyelephantopin-and-isodeoxyelephantopin-as-potential-anticancer-agents-with-effects-on-multiple-signaling-pathways
#2
REVIEW
Tahir Mehmood, Amara Maryam, Hamed A Ghramh, Muhammad Khan, Tonghui Ma
Cancer is the 2nd leading cause of death worldwide. The development of drugs to target only one specific signaling pathway has limited therapeutic success. Developing chemotherapeutics to target multiple signaling pathways has emerged as a new prototype for cancer treatment. Deoxyelephantopin (DET) and isodeoxyelephantopin (IDET) are sesquiterpene lactone components of "Elephantopus scaber and Elephantopus carolinianus", traditional Chinese medicinal herbs that have long been used as folk medicines to treat liver diseases, diabetes, diuresis, bronchitis, fever, diarrhea, dysentery, cancer, and inflammation...
June 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28635594/translation-repression-via-modulation-of-the-cytoplasmic-poly-a-binding-protein-in-the-inflammatory-response
#3
Xu Zhang, Xiaoli Chen, Qiuying Liu, Shaojie Zhang, Wenqian Hu
Gene expression is precisely regulated during the inflammatory response to control infection and limit the detrimental effects of inflammation. Here, we profiled global mRNA translation dynamics in the mouse primary macrophage-mediated inflammatory response and identified hundreds of differentially translated mRNAs. These mRNAs' 3'UTRs have enriched binding motifs for several RNA-binding proteins, which implies extensive translational regulatory networks. We characterized one such protein, Zfp36, as a translation repressor...
June 21, 2017: ELife
https://www.readbyqxmd.com/read/28634267/30-years-of-the-mineralocorticoid-receptor-the-role-of-the-mineralocorticoid-receptor-in-the-vasculature
#4
REVIEW
Jennifer J DuPont, Iris Z Jaffe
Since the mineralocorticoid receptor (MR) was cloned 30 years ago, it has become clear that MR is expressed in extra-renal tissues, including the cardiovascular system, where it is expressed in all cells of the vasculature. Understanding the role of MR in the vasculature has been of particular interest as clinical trials show that MR antagonism improves cardiovascular outcomes out of proportion to changes in blood pressure. The last 30 years of research have demonstrated that MR is a functional hormone-activated transcription factor in vascular smooth muscle cells and endothelial cells...
July 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28633757/the-relationship-between-circulating-mitochondrial-dna-and-inflammatory-cytokines-in-patients-with-major-depression
#5
Yuki Kageyama, Takaoki Kasahara, Masaki Kato, Shiho Sakai, Yasuhiko Deguchi, Munehide Tani, Kenji Kuroda, Kotaro Hattori, Sumiko Yoshida, Yuichi Goto, Toshihiko Kinoshita, Koki Inoue, Tadafumi Kato
BACKGROUND: Although inflammatory cytokines are established biomarkers of mood disorders, their molecular mechanism is not known. We hypothesized that circulating mitochondrial DNA (mtDNA) contributes to inflammation and could be used as biomarkers. We investigated if circulating mtDNA level is associated with inflammatory cytokines and can be used as a biomarker of mood disorders. METHODS: Plasma mtDNA concentration was measured with real-time quantitative PCR targeting two regions of the mtDNA and plasma levels of four cytokines (GM-CSF, IL-2, IL-4, and IL-6) were measured with a multiplex immunoassay method in 109 patients with major depressive disorder (MDD)...
June 6, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28632925/a-kallikrein-targeting-rna-aptamer-inhibits-the-intrinsic-pathway-of-coagulation-and-reduces-bradykinin-release
#6
K-A Steen-Burrell, J Layzer, B A Sullenger
BACKGROUND: Plasma kallikrein is a serine protease that plays an integral role in many biological processes including coagulation, inflammation, and fibrinolysis. The main function of kallikrein in coagulation is the amplification of activated factor XIIa (FXIIa) generation which ultimately leads to thrombin generation and fibrin clot formation. Kallikrein is generated by FXIIa-mediated cleavage of the zymogen, prekallikrein which is usually complexed with the nonenzymatic cofactor, high-molecular-weight kininogen (HK)...
June 20, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28632329/postictal-hypoperfusion-hypoxia-provides-the-foundation-for-a-unified-theory-of-seizure-induced-brain-abnormalities-and-behavioral-dysfunction
#7
REVIEW
Jordan S Farrell, Roberto Colangeli, Marshal D Wolff, Alexandra K Wall, Thomas J Phillips, Antis George, Paolo Federico, G Campbell Teskey
A recent article by Farrell et al. characterizes the phenomenon, mechanisms, and treatment of a local and severe hypoperfusion/hypoxia event that occurs in brain regions following a focal seizure. Given the well-established role of cerebral ischemia/hypoxia in brain damage and behavioral dysfunction in other clinical settings (e.g., stroke, cerebral vasospasm), we put forward a new theory: postictal hypoperfusion/hypoxia is responsible for the negative consequences associated with seizures. Fortunately, inhibition of two separate molecular targets, cyclooxygenase-2 (COX-2) and l-type calcium channels, can prevent the expression of postictal hypoperfusion/hypoxia...
June 20, 2017: Epilepsia
https://www.readbyqxmd.com/read/28631232/activation-of-brain-indoleamine-2-3-dioxygenase-contributes-to-depressive-like-behavior-induced-by-an-intracerebroventricular-injection-of-streptozotocin-in-mice
#8
Leandro Cattelan Souza, Cristiano R Jesse, Marcelo Gomes de Gomes, Lucian Del Fabbro, André Tiago Rossito Goes, Franciele Donato, Silvana Peterini Boeira
There is a lack of information concerning the molecular events underlying the depressive-like effect of an intracerebroventricular injection of streptozotocin (ICV-STZ) in mice. The elevated activity of the tryptophan-degrading enzyme indoleamine-2,3-dioxygenase (IDO) has been proposed to mediate depression in inflammatory disorders. In the present study, we reported that ICV-STZ activates IDO in the hippocampus of mice and culminates in depressive-like behaviors, as measured by the increased duration of immobility in the tail suspension test and decreased sucrose intake in the sucrose preference test...
June 19, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28630262/dipeptidyl-peptidase-4-inhibitor-anagliptin-prevents-intracranial-aneurysm-growth-by-suppressing-macrophage-infiltration-and-activation
#9
Taichi Ikedo, Manabu Minami, Hiroharu Kataoka, Kosuke Hayashi, Manabu Nagata, Risako Fujikawa, Sei Higuchi, Mika Yasui, Tomohiro Aoki, Miyuki Fukuda, Masayuki Yokode, Susumu Miyamoto
BACKGROUND: Chronic inflammation plays a key role in the pathogenesis of intracranial aneurysms (IAs). DPP-4 (dipeptidyl peptidase-4) inhibitors have anti-inflammatory effects, including suppressing macrophage infiltration, in various inflammatory models. We examined whether a DPP-4 inhibitor, anagliptin, could suppress the growth of IAs in a rodent aneurysm model. METHODS AND RESULTS: IAs were surgically induced in 7-week-old male Sprague Dawley rats, followed by oral administration of 300 mg/kg anagliptin...
June 19, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28630109/macrophage-mediated-inflammation-in-normal-and-diabetic-wound-healing
#10
REVIEW
Anna E Boniakowski, Andrew S Kimball, Benjamin N Jacobs, Steven L Kunkel, Katherine A Gallagher
The healing of cutaneous wounds is dependent on the progression through distinct, yet overlapping phases of wound healing, including hemostasis, inflammation, proliferation, and resolution/remodeling. The failure of these phases to occur in a timely, progressive fashion promotes pathologic wound healing. The macrophage (MΦ) has been demonstrated to play a critical role in the inflammatory phase of tissue repair, where its dynamic plasticity allows this cell to mediate both tissue-destructive and -reparative functions...
July 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28630094/type-i-ifn-is-necessary-and-sufficient-for-inflammation-induced-red-blood-cell-alloimmunization-in-mice
#11
David R Gibb, Jingchun Liu, Prabitha Natarajan, Manjula Santhanakrishnan, David J Madrid, Stephanie C Eisenbarth, James C Zimring, Akiko Iwasaki, Jeanne E Hendrickson
During RBC transfusion, production of alloantibodies against RBC non-ABO Ags can cause hemolytic transfusion reactions and limit availability of compatible blood products, resulting in anemia-associated morbidity and mortality. Multiple studies have established that certain inflammatory disorders and inflammatory stimuli promote alloimmune responses to RBC Ags. However, the molecular mechanisms underlying these findings are poorly understood. Type I IFNs (IFN-α/β) are induced in inflammatory conditions associated with increased alloimmunization...
June 19, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28630014/impact-of-molecular-hydrogen-treatments-on-the-innate-immune-activity-and-survival-of-zebrafish-danio-rerio-challenged-with-aeromonas-hydrophila
#12
Zhenyu Hu, Bingqian Wu, Fanhong Meng, Zejian Zhou, Hui Lu, Heng Zhao
Recently, molecular hydrogen has been reported to have a suppressive effect on inflammation in human and rodent models. The aim of this study was to evaluate the preventive effects of hydrogen-rich water (HRW) on zebrafish challenged by A. hydrophila. We have found an increased survival rate of bacteria-challenged zebrafish subjected to the HRW immersion treatment. Furthermore, we have revealed that HRW was able to block multiplication of A. hydrophila in zebrafish. In addition, treatment of zebrafish infected by A...
June 16, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28629640/is-physical-activity-a-modifier-of-the-association-between-air-pollution-and-arterial-stiffness-in-older-adults-the-sapaldia-cohort-study
#13
Simon Endes, Emmanuel Schaffner, Seraina Caviezel, Julia Dratva, Daiana Stolz, Christian Schindler, Nino Künzli, Arno Schmidt-Trucksäss, Nicole Probst-Hensch
INTRODUCTION AND OBJECTIVES: Air pollution and insufficient physical activity have been associated with inflammation and oxidative stress, molecular mechanisms linked to arterial stiffness and cardiovascular disease. There are no studies on how physical activity modifies the association between air pollution and arterial stiffness. We examined whether the adverse cardiovascular effects of air pollution were modified by individual physical activity levels in 2823 adults aged 50-81 years from the well-characterized Swiss Cohort Study on Air Pollution and Lung and Heart Diseases (SAPALDIA)...
June 13, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28629530/novel-natural-product-therapeutics-targeting-both-inflammation-and-cancer
#14
Jiangjiang Qin, Wei Wang, Ruiwen Zhang
Inflammation is recently recognized as one of the hallmarks of human cancer. Chronic inflammatory response plays a critical role in cancer development, progression, metastasis, and resistance to chemotherapy. Conversely, the oncogenic aberrations also generate an inflammatory microenvironment, enabling the development and progression of cancer. The molecular mechanisms of action that are responsible for inflammatory cancer and cancer-associated inflammation are not fully understood due to the complex crosstalk between oncogenic and pro-inflammatory genes...
June 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28629242/differential-effect-of-p38-and-mk2-kinase-inhibitors-on-the-inflammatory-and-toxicity-biomarkers-in-vitro
#15
R K Singh, M Diwan, S G Dastidar, A K Najmi
BACKGROUND: Many inflammatory responses including chemotaxis, production of nitric oxide, and modulation of pro-inflammatory cytokines in immunological cells are mediated by p38MAPK. Due to its pivotal role, p38MAPK has been extensively explored as a molecular target for inhibition of chronic inflammation; however, it has not been successful so far due to serious toxicity issues. Among several downstream substrates of p38, mitogen-activated protein kinase-activated protein kinase 2 (MK2) has been reported to be a direct and essential downstream component in regulation of innate immune and inflammatory responses...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28628471/haematological-involvement-associated-with-a-mild-autoinflammatory-phenotype-in-two-patients-carrying-the-e250k-mutation-of-pstpip1
#16
Elena Belelli, Chiara Passarelli, Manuela Pardeo, Dirk Holzinger, Fabrizio De Benedetti, Antonella Insalaco
OBJECTIVES: Hyperzincaemia/hypercalprotectinemia (Hz/Hc) syndrome is a recently described condition caused by a specific de novo mutation (E250K) affecting PSTPIP1 gene. It has a phenotype distinct from classical pyogenic arthritis, pyoderma gangrenosum, and acne (PAPA) syndrome that includes severe systemic and cutaneous inflammation, hepatosplenomegaly, arthritis without sequelae, pancytopenia and failure to thrive. METHODS: We describe an 8-year-old boy who presented recurrent right knee swelling mimicking septic arthritis and persistent bone marrow involvement, without cutaneous involvement...
June 19, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28628030/a-novel-flexible-cuff-like-microelectrode-for-dual-purpose-acute-and-chronic-electrical-interfacing-with-the-mouse-cervical-vagus-nerve
#17
April Shawn Caravaca, Téa Tsaava, Laura Goldman, Harold Silverman, Gary Riggott, Sangeeta Chavan, Chad Bouton, Kevin J Tracey, Robert Desimone, Ed Boyden, Harbaljit Singh Sohal, Peder S Olofsson
OBJECTIVE: Neural reflexes establish homeostasis and regulate the immune system. Advances in bioelectronic medicine indicate that electrical stimulation of the vagus nerve can be used to treat inflammatory disease, yet the understanding of neural signals that regulate inflammation is incomplete. Current interfaces with the vagus nerve do not permit effective chronic stimulation or recording in mouse models, which is vital to studying the molecular and neurophysiological mechanisms that control inflammation homeostasis in health and disease...
June 19, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28627792/%C3%AE-catenin-in-desmoid-type-fibromatosis-deep-insights-on-the-role-of-t41a-and-s45f-mutations-on-protein-structure-and-gene-expression
#18
C Colombo, A Belfiore, N Paielli, L De Cecco, S Canevari, E Laurini, M Fermeglia, S Pricl, P Verderio, S Bottelli, M Fiore, S Stacchiotti, E Palassini, A Gronchi, S Pilotti, F Perrone
Desmoid- type fibromatosis (DF) is a rare mesenchymal lesion with high risk of local recurrence. Specific β-catenin mutations (S45F) appeared to be related to this higher risk compared to T41A mutated or wild type (WT). We explored the influence of both mutations and WT on structure stability and affinity of β-catenin for α-catenin and the pattern of gene expression that may influence DF behavior. Using 33 surgically resected primary DFs harboring T41A (n=14), S45F (n=10) or WT (n=9), we performed a comparative molecular analysis by protein/protein interaction modeling, gene expression by DASL microarrays, human inflammation gene panel and assessment of immune system-based biomarkers by immunohistochemistry...
June 19, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28627421/hla-g%C3%A2-14bp-insertion-and-the-kir2ds1-hlac2-complex-impact-on-behavioral-impairment-in-children-with-autism-spectrum-disorders
#19
Franca R Guerini, Elisabetta Bolognesi, Matteo Chiappedi, Alessandro Ghezzo, Salvatorica Manca, Michela Zanette, Stefano Sotgiu, Maria Martina Mensi, Milena Zanzottera, Cristina Agliardi, Andrea S Costa, Umberto Balottin, Mario Clerici
Activating KIRs-HLA-C ligands complexes and HLA-G∗14bp insertion/deletion (+/-) polymorphism were associated to Autism Spectrum Disorders (ASD) and were suggested to correlate with inflammation during fetal development. We evaluated whether HLA-G∗14bp(+/-) and KIRs-HLA-C complexes are associated with cognitive and behavioral scores and EEG profile in 119 ASD children (58 from Sardinia, 61 from Peninsular Italy). KIR2DS1-C2; KIR2DS2-C1; KIR2DL1-C2; KIR2DL2-C1; KIR2DL3-C1 and HLA-G∗14bp(+/-) were molecularly genotyped by SSP and gel electrophoresis...
June 13, 2017: Neuroscience
https://www.readbyqxmd.com/read/28627413/modeling-esophagitis-using-human-three-dimensional-organotypic-culture-system
#20
Dorottya Laczkó, Fang Wang, F Bradley Johnson, Nirag Jhala, András Rosztóczy, Gregory G Ginsberg, Gary W Falk, Anil K Rustgi, John P Lynch
Esophagitis, whether caused by acid reflux, allergic responses, graft-versus-host disease, drugs, or infections, is a common condition of the gastrointestinal tract affecting nearly 20% of the US population. The instigating agent typically triggers an inflammatory response. The resulting inflammation is a risk factor for the development of esophageal strictures, Barrett esophagus, and esophageal adenocarcinoma. Research into the pathophysiology of these conditions has been limited by the availability of animal and human model systems...
June 13, 2017: American Journal of Pathology
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